Lesson 4: Perimeter and area – changes in scale

Before you have access to this lesson from the links below, click on “Materials” to see what’s covered. The exercise is expected to last for not more than 1 hour 3o minutes, and please, be ready to complete this lesson in ONE session. If you haven’t signed up for the IXL SKILLS package, the temporal login info that you purchase from the link below, will be valid for 48 hours. 

For temporal access: Click here.

Warmup: On the grid below, draw a scaled copy of Polygon Q using a scale factor of 2.

Activity #1 (30 minutes)

1. Topic: Perimeter and area – changes in scale(Applet).

2. Explainer Video: Perimeter and area – changes in scale.

Practice Exercise (30 minutes).

Topic: Perimeter and area – changes in scale.

Quiz Time – (Two sets: 30 minutes).

Topic: Perimeter and area – changes in scale (to be taken while you are logged in).

  1. An applet.
  2. An explainer video on "Perimeter and area – changes in scale".
  3. A skills exercise from the IXL website on "Perimeter and area – changes in scale". The questions exhibit an increasing order of difficulty. 
  4. Two sets of quizzes on "Perimeter and area – changes in scale". The questions exhibit an increasing order of difficulty, and an average score of 80% expected.